. The railroad and engineering journal . f;^. that ordinarily used, as it gives a very wide base, whichsecures complete stability and abundant space for hand-ling heavy forgings. These legs are joined at a certainheight by four plates forming braces, two of which serveto support the slides ; they are prolonged around andabove the cylinder and form a top or hood, serving tocarry the cranes. The clear distance between the legs is meters,and the clear height under the braces is total height from the ground to the pivots upon whichthe cranes rest is meters. The s
. The railroad and engineering journal . f;^. that ordinarily used, as it gives a very wide base, whichsecures complete stability and abundant space for hand-ling heavy forgings. These legs are joined at a certainheight by four plates forming braces, two of which serveto support the slides ; they are prolonged around andabove the cylinder and form a top or hood, serving tocarry the cranes. The clear distance between the legs is meters,and the clear height under the braces is total height from the ground to the pivots upon whichthe cranes rest is meters. The slides are made of two pieces of steel of a sectionshown in fig. 68, which are bolted on uprights made ofplates and angles. The cross-section is widened in themiddle, and a corresponding groove made in the side otthe hammer-block works upon this portion. Very heavycatches or holding dogs are provided in order to supportthe hammer when it is necessary to make changes. The cylinder is made in two parts, one above and onebelow, the latter serving als
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
